Granted Patent
Utility
US 4,835,200 · App. 06/943,403
Color stable hot melt adhesive
Inventor:
David J. St. Clair
Patented Case
View Patent ↗
Granted: May 30, 1989
Filed: Dec 19, 1986
Inventor
David J. St. Clair
Assignee (at issue)
SHELL OIL COMPANY
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.